Maryn Mckenna (Colin Purrington started the meme) has an nice post on bathroom design and infection risk on her SuperBug blog. One thing I was not aware of was that hot air hand dryers "pull air from the bathroom floor, not from the outside, so all they’re doing is shooting a blast of hot bacteria full force onto your hands. One study showed that using electric dryers increased bacteria levels on hands by 162 percent.” It's all pretty scary. I think alcohol hand rub is the answer. I like how O'Hare airport in Chicago has alcohol hand rub dispensers just outside each bathroom.
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